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Finding the Fourth Proportional to 22,795.32, 34,192.74 and 7,212.96

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Solution

The fourth proportional to 22,795.32, 34,192.74 and 7,212.96 is: 10,819.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,795.32 : 34,192.74 = 7,212.96 : x
  2. Step 2: Convert to fraction form
    22,795.32/34,192.74 = 7,212.96/x
  3. Step 3: Cross multiply
    22,795.32x = 34,192.74 × 7,212.96
  4. Step 4: Simplify right side
    22,795.32x = 246,630,865.91
  5. Step 5: Solve for x
    x = 246,630,865.91/22,795.32
  6. Step 6: Final answer
    x = 10,819.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.